数字型低频振动传感器的设计

Design of Low Frequency Vibration Sensor

介绍了一种基于串联校正原理,以磁电式速度计为信号源,以AVR单片机为处理核心的软件低频补偿校正方式,实现了最低频率为0.5Hz的数字型低频振动传感器。本文介绍了数字电路的设计原理、校正传递函数以及硬件和软件设计,并给出了校正前后信号特性差异分析图。

This article introduced one kind based on the principle of series rectify, take electromagnetic speedometer as a supply oscillator , take the AVR monolithic integrated circuit as the processing core, compensate low-frequency in software way, realized the most low frequency is the 0.5Hz . This article introduce the principle of design, the function of adjustment transfer, and the hardware and software design, as well as give the picture of the signal characteristic difference after adjustment.